QUIZ ALKALI

Quiz
•
Chemistry
•
12th Grade
•
Easy
PKMRSH UNRI
Used 4+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
20 sec • 10 pts
Logam alkali akan bereaksi hebat dengan senyawa, kecuali…
Air
Gas Mulia
Oksigen
Hidrogen
Halogen
2.
MULTIPLE CHOICE QUESTION
20 sec • 10 pts
Pernyataan yang tepat mengenai cara memperoleh logam alkali adalah…
Mereduksi logam kloridanya
Oksidasi garam kloridanya
Elektrolisis leburan garam kloridanya
Elektrolisis larutan garam kloridanya
Hidrolisis larutan garam kloridanya
3.
MULTIPLE CHOICE QUESTION
20 sec • 10 pts
Logam alkali tidak stabil di alam, karena ...
mampu menarik elektron
mudah sekali membentuk kation
reaksi reduksinya mudah berlangsung
bersifat reduktor kuat
anionnya lebih stabil di alam
4.
MULTIPLE CHOICE QUESTION
20 sec • 10 pts
Di bawah ini yang bukan sifat unsur - unsur golongan alkali adalah...
Jari - jari atom besar
Energi ionisasi rendah
Dari litium ke sesium semakin reaktif
Reduktor kuat
Sukar bereksi dengan air
5.
MULTIPLE CHOICE QUESTION
20 sec • 10 pts
Logam alkali hanya dapat diperoleh dengan jalan elektrolisis leburan garamnya dan bukan dari larutan garamnya karena logam alkali ...
melarut dalam air
Ionnya teroksidasi dalam air
garamnya tidak terelektrolisis dengan air
Ionnya tereduksi tanpa air
Ionnya terselubung oleh molekul air
6.
MULTIPLE CHOICE QUESTION
20 sec • 10 pts
Unsur-unsur berikut yang tidak termasuk logam alkali yaitu ....
Li
Na
Rb
He
Cs
7.
MULTIPLE CHOICE QUESTION
20 sec • 10 pts
Unsur logam alkali yang paling mudah ditemukan dialam adalah
Na dan K
K dan Li
Na dan Li
Li dan Rb
H dan K
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